WO2016004624A1

WO2016004624A1 - Accelerating bidirectional mechanical converter

Info

Publication number: WO2016004624A1
Application number: PCT/CN2014/082057
Authority: WO
Inventors: 王暋
Original assignee: 杭州巨星工具有限公司; 杭州巨星科技股份有限公司
Priority date: 2014-07-11
Filing date: 2014-07-11
Publication date: 2016-01-14
Also published as: CA2954786A1; EP3168004A4; CA2954786C; JP6410917B2; AU2014400237B2; EP3168004B1; EP3168004A1; US20170165815A1; AU2014400237A1; US10589405B2; JP2017529248A

Abstract

An accelerating bidirectional mechanical converter comprising a main shaft (126) and an accelerating planetary gear mechanism. The accelerating planetary gear mechanism comprises a first gear ring (1221), a planetary gear (1222), a sun gear (1223), and a planetary frame (1224). The planetary gear (1222) is mounted on the planetary frame (1224). The planetary gear (1222) is arranged between the first gear ring (1221) and the sun gear (1223). The first gear ring (1221) and the sun gear (1223) rotate in opposite directions. The accelerating bidirectional mechanical converter also comprises a direction switching apparatus. The first gear ring (1221) and the sun gear (1223) drive the main shaft via the direction switching apparatus. When in use, the planetary frame (1224) is fixed and stationary, a clockwise or counterclockwise torque is inputted onto the first gear ring (1221), while the main shaft (126) always rotate in a preset direction.

Description

Speed increasing bidirectional mechanical converter

Technical field

Field of the Invention This invention relates to hand tools and, more particularly, to a speed increasing two-way manual twisting tool.

Background technique

A manual twisting tool is a tool used to twist a workpiece and force it into place, usually including a screwdriver, a wrench, and the like.

In order to improve efficiency, the existing screwdriver or wrench has a mechanical converter comprising a main shaft and two driving components, the two driving components are reversely rotated, and the two driving components are respectively driven by the one-way clutch of the same direction of action. Spindle. When a torque is input to the driving member, one of the two driving members drives the main shaft to rotate, and the other is idling with respect to the main shaft, so that the input torque in any direction can be effectively utilized, that is, whether the input torque is clockwise or counterclockwise, the main shaft Both turn in one direction, which greatly improves the efficiency of the tool.

In order to further improve efficiency, some screwdrivers or wrenches also have a speed increasing device, and the speed increasing device is usually a planetary gear mechanism.

In the existing screwdriver or wrench, the direction conversion and speed increasing device are realized by different components, and the structure is relatively complicated, which makes the tool making complicated, and the direction conversion and the speed increasing device occupy a large space and weight.

Summary of the invention

The invention provides a speed increasing two-way mechanical converter, which realizes direction conversion by using a speed increasing planetary gear mechanism, so that The speed-increasing two-way mechanical converter is simple in structure, easy to manufacture, and also reduces the space and weight occupied in the tool.

The invention also provides a The screwdriver of the speed increasing bidirectional mechanical converter keeps the grip ring of the screwdriver unmoved. When the handle rotates in a predetermined direction, the batch head of the screwdriver rotates at the same speed in a predetermined direction; when the handle is facing in advance When the set direction is rotated in the opposite direction, the bit of the screwdriver is rotated at a triple speed in a predetermined direction.

The invention also provides a The wrench of the speed increasing two-way mechanical converter keeps the grip ring of the wrench not moving. When the handle rotates in a predetermined direction, the torque output part of the wrench rotates at a speed in a predetermined direction; when the handle is preset When the direction of rotation is reversed, the torque output member of the wrench rotates at a triple speed in a predetermined direction.

The invention provides a speed increasing bidirectional mechanical converter, including

Spindle,

The speed increasing planetary gear mechanism comprises a first gear ring, a planetary gear, a sun gear and a planet carrier. The planetary gear is mounted on the planet carrier, and the planetary gear is disposed between the first gear ring and the sun gear, first The gear ring is opposite to the direction in which the sun gear rotates;

The speed-increasing two-way mechanical converter also includes

a reversing device, the first gear ring and the sun gear drive the main shaft through the reversing device;

When using, keep the carrier fixed, input clockwise or counterclockwise torque on the first gear ring, and rotate the spindle in a preset direction.

The speed increasing bidirectional mechanical converter provided by the invention utilizes the first gear ring of the speed increasing planetary gear mechanism to rotate in the opposite direction of the sun gear, and the first gear ring and the sun gear respectively drive the main shaft through the reversing device, thereby realizing In the direction change, the spindle rotates in a predetermined direction regardless of whether clockwise or counterclockwise torque is input to the first gear ring.

The speed increasing two-way mechanical converter provided by the invention has the advantages of simple structure and convenient structure Production, while also reducing the space and weight occupied in the tool.

Further, the reversing device includes a first one-way clutch and a second one-way clutch that are in the same direction of action, and the direction of action is the same as a predetermined direction.

The speed increasing bidirectional mechanical converter provided by the invention drives the first gear ring and the sun gear with opposite rotation directions to drive the main shaft through the one-way clutch with the same direction of action, and the action direction is also a preset direction, thereby realizing Direction conversion.

Further, the speed increasing bidirectional mechanical converter further includes a second gear ring disposed coaxially with the first gear ring, the second gear ring being coupled to the first one-way clutch.

Further, the first gear ring is integrally or coaxially connected to the second gear ring.

Further, the speed increasing bidirectional mechanical converter further includes a third gear ring disposed coaxially with the sun gear, and the third gear ring is coupled to the second one-way clutch.

Further, the sun gear is integrally or coaxially connected to the third gear ring.

Further, the speed increasing bidirectional mechanical converter further includes a switching device for switching an action direction of the first one-way clutch and an action direction of the second one-way clutch.

Further, the speed increasing bidirectional mechanical converter further includes a gripping device for holding the carrier stationary.

Further, the holding device is integrally or fixedly connected to the planet carrier.

Further, the holding device is a grip ring.

Further, a torque opposite to a predetermined direction is input to the first gear ring, and the spindle rotates in a predetermined direction.

Further, the gear ratio that the main shaft rotates in a predetermined direction is the ratio of the number of teeth of the first gear ring to the number of teeth of the planetary gear.

Further, the transmission ratio of the main shaft to the speed increasing in the predetermined direction is 3 .

Further, a predetermined direction torque is input to the first gear ring, and the spindle rotates at a same speed in a predetermined direction.

Further, the gear ratio of the main shaft rotating at the same speed in a predetermined direction is 1 .

The invention also provides a screwdriver, including

Batch rod,

Speed-increasing two-way mechanical converter, including

Spindle, coaxial with the batch rod;

The speed increasing planetary gear mechanism comprises a first gear ring, a planetary gear, a sun gear and a planet carrier, the planetary gear is mounted on the planet carrier, the planetary gear is disposed between the first gear ring and the sun gear, the first gear ring and the sun gear The direction of rotation is opposite;

a handle disposed coaxially with the first gear ring for inputting a torque;

The speed-increasing two-way mechanical converter also includes

When the ball carrier is fixed in use, the handle inputs a clockwise or counterclockwise moment on the first gear ring, and the batch lever rotates in a predetermined direction.

Further, the switching device includes a reversing shaft, a spiral groove disposed on the reversing shaft, and a push button disposed at one end of the spiral groove.

Further, the holding device is a grip ring.

The invention also provides a wrench, including

Torque output component,

Speed-increasing two-way mechanical converter, including

a spindle, disposed coaxially with the torque output component;

a handle disposed coaxially with the first gear ring for inputting a torque;

The speed-increasing two-way mechanical converter also includes

When the ball carrier is fixed in use, the handle inputs a clockwise or counterclockwise moment on the first gear ring, and the torque output member rotates in a predetermined direction.

Further, the switching device includes a reversing shaft and a dial disposed at one end of the reversing shaft.

Further, the wrench further includes a detaching device, and the detaching device includes a dial and a groove disposed on the main shaft.

Further, the holding device is a grip ring.

Compared with the prior art, the speed increasing two-way mechanical converter provided by the invention has the following beneficial effects: using a speed increasing planetary gear mechanism The direction change makes the speed-increasing two-way mechanical converter simple in structure, easy to manufacture, and also reduces the space and weight occupied in the tool.

The concept, the specific structure and the technical effects of the present invention will be further described in conjunction with the accompanying drawings in order to fully understand the objects, features and effects of the invention.

DRAWINGS

1 is a front elevational view of a screwdriver of a speed increasing bidirectional mechanical converter in one embodiment of the present invention;

Figure 2 is a cross-sectional view of the screwdriver of Figure 1;

Figure 3 is an exploded view of the speed increasing bidirectional mechanical converter of the screwdriver shown in Figure 1;

Figure 4 is a connection diagram of the speed increasing bidirectional mechanical converter of the screwdriver shown in Figure 1;

Figure 5 is a connection diagram of the speed increasing bidirectional mechanical converter of the screwdriver shown in Figure 1;

Figure 6 is a cross-sectional view of the screwdriver of Figure 2 taken along the B-B direction;

Figure 7 is a perspective view of the spindle of the speed increasing planetary gear mechanism of the speed increasing bidirectional mechanical converter of the screwdriver shown in Figure 1;

Figure 8 is a cross-sectional view of the screwdriver of Figure 2 taken along the C-C direction;

Figure 9 is a cross-sectional view of the screwdriver of Figure 2 in the D-D direction;

Figure 10 is a schematic view showing the switching device of the speed increasing bidirectional mechanical converter of the screwdriver shown in Figure 1;

Figure 11 is a cross-sectional view taken along line A-A of the screwdriver shown in Figure 2;

Figure 12 is a front elevational view of a wrench including a speed increasing two-way mechanical converter in another embodiment of the present invention;

Figure 13 is a partial cross-sectional view of the wrench shown in Figure 12;

Figure 14 is an exploded view of the wrench shown in Figure 12;

Figure 15 is a cross-sectional view of the wrench of Figure 13 taken along the line A-A;

Figure 16 is a cross-sectional view of the wrench shown in Figure 13 in the B-B direction;

Figure 17 is a front elevational view of the handle of the wrench shown in Figure 12;

Figure 18 is a schematic view showing the switching device of the speed increasing bidirectional mechanical converter of the wrench shown in Figure 12;

Figure 19 is a cross-sectional view of the wrench shown in Figure 13 in the A-A direction.

detailed description

Both clockwise and counterclockwise refer to the clockwise and counterclockwise directions when viewed from the handle of the screwdriver to the direction of the rod.

1 is a front elevational view of a screwdriver including a speed increasing bidirectional mechanical converter in one embodiment of the present invention, and FIG. 2 is a view of FIG. A sectional view of the screwdriver, as shown in FIG. 1 and FIG. 2, the screwdriver including the speed increasing bidirectional mechanical converter in the embodiment includes: a batch rod 11, a dial cover 15, a holding device and a handle 13 The screwdriver further includes a speed increasing bidirectional mechanical converter disposed inside the holding device.

In this embodiment, the holding device is a holding ring 14, and the holding ring 14 has a cylindrical annular structure.

Figure 3 is an exploded view of the speed increasing bidirectional mechanical converter of the screwdriver shown in Figure 1, Figure 4 and Figure 5 are the The connection diagram of the speed increasing bidirectional mechanical converter of the screwdriver; as shown in Figure 3-5, the speed increasing bidirectional mechanical converter comprises a main shaft 126, a speed increasing planetary gear mechanism and a reversing device;

The speed increasing planetary gear mechanism includes a first gear ring 1221, a planetary gear 1222, a sun gear 1223, and a planet carrier 1224, the planetary gear 1222 is mounted on the planet carrier 1224, and the planetary gear 1222 is disposed between the first gear ring 1221 and the sun gear 1223, as shown in FIG. As shown, the first gear ring 1221 is opposite to the sun gear 1223;

As shown in FIG. 3, the reversing device includes a first one-way clutch 1231 and a second one-way clutch 1232 that are in the same direction of action. The direction of action is also the predetermined direction, that is, the direction in which the spindle 126 rotates.

The speed increasing bidirectional mechanical converter in this embodiment utilizes the first gear ring 1221 and the sun gear 1223 in the speed increasing planetary gear mechanism The rotation direction is reversed, and the first gear ring 1221 and the sun gear 1223 are driven by the one-way clutches 1231 and 1232 of the same direction, respectively, to drive the main shaft 126. For the direction change, the spindle 126 is rotated in a predetermined direction regardless of whether clockwise or counterclockwise torque is input to the first gear ring 1221.

The speed increasing bidirectional mechanical converter further includes a second gear ring 124 disposed coaxially with the first gear ring 1221, the second gear ring 124 It is coupled to the first one-way clutch 1231 such that the first gear ring 1221 drives the main shaft 126 through the first one-way clutch 1231. In this embodiment, the first gear ring 1221 and the second gear ring 124 is one.

The first gear ring 1221 and the second gear ring 124 may also be separate, but the two are coaxially connected.

The speed increasing bidirectional mechanical converter further includes a third gear ring 125 disposed coaxially with the sun gear 1223, and a third gear ring 125 It is coupled to the second one-way clutch 1232 such that the sun gear 1223 drives the main shaft 126 through the second one-way clutch 1232. In this embodiment, the sun gear 1223 and the third gear ring 125 is one.

The sun gear 1223 and the third gear ring 125 may also be separate, but the two are coaxially connected.

Figure 7 shows the connection between the spindle 126 and the various components.

The main shaft 126 and the batch rod 11 are connected by a pin shaft such that the main shaft 126 is coaxially disposed with the batch rod 11 as the main shaft 126 When turning, the batch lever 11 is rotated.

In this embodiment, the first one-way clutch 1231 and the second one-way clutch 1232 are pawls, and the first one-way clutch 1231 Other configurations may be employed with the second one-way clutch 1232.

As shown in Fig. 8, a blind hole is arranged on the reversing shaft 121, a spring is arranged in the blind hole, and a marble is arranged in the opening of the blind hole, and the pawl 1232 is provided. On the side facing the reversing shaft 121, there is a circular arc-shaped curved surface which cooperates with the marble to form a connection between the pawl 1232 and the reversing shaft 121, so that the reversing shaft 121 can rotate the pawl 1232 when it rotates. Turn.

The pawl 1232 is mounted on the spindle 126 by a pin 1261; the pawl 1232 The opposite sides have teeth, and the teeth on one side of the pawl 1232 mesh with the third gear ring 125, since the sun gear 1223 is integrated with the third gear ring 125, in Figure 7 In the position shown, when the third gear ring 125 rotates clockwise, the main shaft 126 is rotated clockwise, that is, the sun gear 1223 drives the main shaft 126 to rotate clockwise; when the third gear ring 125 When rotating counterclockwise, the pawl 1232 is disengaged from the third gear ring 125, the third gear ring 125 cannot rotate the spindle 126, and the third gear ring 125 is opposite to the main shaft 126. The idling, that is, the sun gear 1223 is idling with respect to the main shaft 126.

As shown in Fig. 9, a blind hole is arranged on the reversing shaft 121, a spring is arranged in the blind hole, and a marble is arranged in the opening of the blind hole, and the pawl 1231 is provided. On the side facing the reversing shaft 121, there is a circular arc-shaped curved surface which cooperates with the marble to form a connection between the pawl 1231 and the reversing shaft 121; the pawl 1231 is mounted to the main shaft 126 by the pin 1261. Upper; the opposite sides of the pawl 1231 have teeth, and the teeth on one side of the pawl 1231 mesh with the second gear ring 124 due to the first gear ring 1221 and the second gear ring 124 In one position, in the position shown in Fig. 8, when the second gear ring 124 rotates clockwise, the main shaft 126 is rotated clockwise, that is, the first gear ring 1221 drives the main shaft 126. Turning clockwise; when the second gear ring 124 rotates counterclockwise, the pawl 1231 is disengaged from the second gear ring 124, the second gear ring 124 cannot rotate the spindle 126, and the second gear ring 124 The first gear ring 1221 is idling with respect to the main shaft 126 as it is idling with respect to the main shaft 126.

When in the position shown in Figure 8 and Figure 9, the pawl 1231, 1232 acts in a clockwise direction, ie only with the pawl 1231, 1232 Engaged gear rings 124, 125, one of the clockwise rotations can drive the spindle 126 to rotate clockwise, that is, the preset direction and the pawl 1231, The 1232 acts in the same direction and is clockwise.

Rotating the reversing shaft 121 to change the teeth that the pawls 1231, 1232 engage with the main shaft 126, thereby changing the main shaft 126 The direction of rotation.

The handle 13 is disposed coaxially with the first gear ring 1221 for inputting torque.

The grip ring 14 is used to hold the planet carrier 1224 stationary.

In this embodiment, the grip ring 14 is integral with the planet carrier 1224.

The grip ring 14 and the planet carrier 1224 can also be separate and the two are fixedly connected.

The screwdriver in this embodiment holds the grip ring 14 during use to keep the carrier 1224 fixed and rotate the handle clockwise 13 Entering a clockwise torque on the first gear ring 1221 causes the second gear ring 125 to rotate clockwise. As shown in FIG. 9, the second gear ring 125 drives the main shaft 126. Turning clockwise; the first gear ring 1221 drives the sun gear 1223 to rotate counterclockwise through the planetary gears 1222, so that the third gear ring 124 rotates counterclockwise, as shown in Fig. 8, the third gear ring 124 is idling relative to the main shaft 126, i.e., the sun gear 1223 is idling relative to the main shaft 126.

In the embodiment, the screwdriver, the pawl 1231 and the first gear ring 1221 form a main ratchet, the pawl 1232 and the sun gear 1223 forms a secondary ratchet, and a planetary gear 1222 is disposed between the second gear ring 125 integrated with the first gear ring 1221 and the sun gear 1223, and the ring 14 is held by the grip ring 14 After the conversion, a secondary ratchet that is opposite to the main ratchet is formed. When the main ratchet rotates counterclockwise to drive the rod 11 Rotate counterclockwise, and the secondary ratchet is in an idling state due to the reverse; when the primary ratchet rotates clockwise, the primary ratchet is in an idling state, and the secondary ratchet is rotated by the grip ring 14 to drive the shooter 11 Rotate counterclockwise so that when the grip ring 14 is held and the carrier 1224 is held stationary, regardless of the torque of the turning handle 13 input clockwise or counterclockwise in the first gear ring 1221, the lever 11 They all rotate in one direction.

The gear ratio of the speed increasing planetary gear mechanism is the number of teeth of the first gear ring 1221 and the planetary gear 1222 The ratio of the number of teeth is 3 in the present embodiment. When the handle 13 is turned clockwise, the batch lever 11 disposed coaxially with the spindle 126 rotates clockwise at the same speed; when the handle 13 is rotated counterclockwise, the spindle 126 is rotated. The coaxial rod 11 is rotated clockwise at 3 times.

The speed increasing bidirectional mechanical converter in this embodiment further includes a switching device for switching the first one-way clutch 1231 The direction of action is the direction of action of the second one-way clutch 1232.

As shown in Fig. 10, the switching device includes a reversing shaft 121 and a spiral groove 1211 provided on the reversing shaft 121. And a push button 127 disposed at one end of the spiral groove 1211, as shown in FIG. 7, the push button 127 is disposed in the long hole of the main shaft 126, and the main shaft 126 is provided with a dial cover 15; When moving along the axial direction of the main shaft 126, the push button 127 is moved in the axial direction of the main shaft 126 in the long hole of the main shaft 126, and one end of the push button 127 is moved along the spiral groove 1211, so that the reversing shaft 121 rotating to drive the first one-way clutch 1231 and the second one-way clutch 1232 to rotate relative to the pin 1261, thereby changing the first one-way clutch 1231 and the second one-way clutch The direction of action of 1232.

As shown in Fig. 11, the inner wall of the main shaft 126 is provided with two curved concave surfaces, and the reversing shaft 121 A blind hole is arranged, a spring is arranged in the blind hole, a marble is arranged at the opening of the blind hole, the marble is in the curved concave surface after the rotating shaft 121 rotates, and the first one-way clutch 1231 and the second are maintained during the use of the screwdriver One-way clutch The direction of action of 1232 is stable.

In the screwdriver of the embodiment, the first gear ring 1221 and the sun gear 1223 in the speed increasing planetary gear mechanism are utilized. The rotation direction is reversed, and the first gear ring 1221 and the sun gear 1223 are driven by the one-way clutches 1231 and 1232 of the same direction, respectively, to drive the main shaft 126. The direction change, whether the handle 13 is rotated clockwise or counterclockwise, the batch lever 11 is rotated in a predetermined direction. When the direction of rotation of the handle 13 coincides with a predetermined direction, the lever 11 and the handle 13 The same speed is rotated in the preset direction; when the direction of rotation of the handle 13 is opposite to the preset direction, the lever 11 is the handle 13 The double speed is rotated in a predetermined direction. The switching device changes the preset direction.

Figure 12 is a front elevational view of a wrench including a speed increasing bidirectional mechanical converter in another embodiment of the present invention, and Figure 13 is a view of Figure 12 A partial cross-sectional view of the wrench, as shown in FIG. 12 and FIG. 13, the wrench including the speed increasing bidirectional mechanical converter in the embodiment includes: a dial 227, a holding device, a speed increasing bidirectional mechanical converter, and a handle 23 And the torque output member 21, the holding device is a holding ring 24, and the holding ring 24 has a conical annular structure.

As shown in Fig. 14, the speed increasing bidirectional mechanical converter includes a main shaft 226, a speed increasing planetary gear mechanism and a reversing device, and a main shaft 226. Coaxially arranged with the torque output member 21;

Speed-increasing planetary gear mechanism including first gear ring 2221, planetary gear 2222, sun gear 2223, and planet carrier 2224, the planetary gear 2222 is mounted on the carrier 2224, and the planetary gear 2222 is disposed between the first gear ring 2221 and the sun gear 2223, and the first gear ring 2221 Opposite to the sun gear 2223;

The reversing device includes a first one-way clutch 2231 and a second one-way clutch 2232 that work in the same direction The direction of action is also the predetermined direction, that is, the direction in which the spindle 226 rotates.

The speed increasing bidirectional mechanical converter in this embodiment utilizes the first gear ring 2221 and the sun gear 2223 in the speed increasing planetary gear mechanism The rotation direction is reversed, and the first gear ring 2221 and the sun gear 2223 are driven by the one-way clutches 2231 and 2232 of the same direction, respectively, to drive the main shaft 226. For the direction change, the spindle 226 is rotated in a predetermined direction regardless of whether clockwise or counterclockwise torque is input to the first gear ring 2221.

The speed increasing bidirectional mechanical converter further includes a second gear ring 224 disposed coaxially with the first gear ring 2221, the second gear ring 224 The first one-way clutch 2231 is coupled such that the first gear ring 2221 drives the main shaft 226 through the first one-way clutch 2231. In this embodiment, the first gear ring 2221 and the second gear ring 224 is a split and the two are connected coaxially.

The speed increasing bidirectional mechanical converter further includes a third gear ring 225 disposed coaxially with the sun gear 2223, and a third gear ring 225 It is coupled to the second one-way clutch 2232 such that the sun gear 2223 drives the main shaft 226 through the second one-way clutch 2232. In this embodiment, the sun gear 2223 and the third gear ring 225 is one.

The main shaft 226 is fixedly coupled to the torque output member 21, and when the main shaft 226 is rotated, the torque output member 21 is driven. Turn.

In this embodiment, the first one-way clutch 2231 and the second one-way clutch 2232 are pawls.

As shown in Fig. 15, the first one-way clutch 2231 includes a pair of pawls that face the reversing shaft 221 The side surface is provided with a curved curved surface, a through hole is arranged in the reversing shaft 221, a spring is arranged in the through hole, and a ball plunger is respectively arranged at the two openings of the through hole, and cooperates with the curved surface on the pawl to form the first One-way clutch 2231 Connection to the reversing shaft 221.

The first one-way clutch 2231 is mounted to the main shaft 226 via a pin; the first one-way clutch 2231 The opposite sides have teeth, and the teeth on one side of the first one-way clutch 2231 mesh with the second gear ring 224, since the first gear ring 2221 and the second gear ring 224 are coaxially connected, In the position shown in Figure 15, when the second gear ring 224 rotates clockwise, the spindle 226 is rotated clockwise, that is, the first gear ring 2221 drives the main shaft 226 to rotate clockwise; when the second gear ring 224 When the counterclockwise rotation is performed, the first one-way clutch 2231 is disengaged from the second gear ring 224, the second gear ring 224 cannot rotate the main shaft 226, and the second gear ring 224 is opposite to the main shaft 226. The idling is that the first gear ring 2221 is idling with respect to the main shaft 226.

As shown in Figure 16, the second one-way clutch 2232 includes a pair of pawls that are oriented toward the reversing shaft 221 The side surface is provided with a curved curved surface, a through hole is arranged in the reversing shaft 221, a spring is arranged in the through hole, and a ball plunger is respectively arranged at the two openings of the through hole, and cooperates with the curved surface on the pawl to form a second One-way clutch 2232 Connection to the reversing shaft 221.

The second one-way clutch 2232 is mounted to the main shaft 226 by a pin; the second one-way clutch 2232 The opposite sides have teeth, and the teeth on one side of the second one-way clutch 2232 mesh with the third gear ring 225, since the sun gear 2223 is integral with the third gear ring 225, in Figure 16 In the position shown, when the third gear ring 225 rotates clockwise, the main shaft 226 is rotated clockwise, that is, the sun gear 2223 drives the main shaft 226 to rotate clockwise; when the third gear ring 225 When rotated counterclockwise, the second one-way clutch 2232 is disengaged from the third gear ring 225, the third gear ring 225 cannot rotate the main shaft 226, and the third gear ring 225 is opposite to the main shaft 226. Idling, that is, the sun gear 2223 is idling with respect to the main shaft 226.

One-way clutch 2231, 2232 when in the position shown in Figure 15 and Figure 16. The direction of action is clockwise, that is, of the gear rings 224, 225 that mesh with the one-way clutches 2231, 2232, only one of which rotates clockwise can drive the spindle 226 Rotate clockwise, that is, the preset direction is the same as the one-way clutch 2231, 2232, in a clockwise direction.

The handle 23 is used to input torque.

As shown in Figure 17, the second gear ring 224 is disposed within the handle 23, and the second gear ring 224 and handle 23 Integrally, the second gear ring 224 is provided with three arcuate recesses on the side facing the first gear ring 2221 along the inner side of the circumference, and the first gear ring 2221 faces the second gear ring 224 The three projections on one side cooperate, as shown in Fig. 14, to form a second gear ring 224 coaxially coupled to the first gear ring 2221.

The second gear ring 224 and the first gear ring 2221 can also be connected by other coaxial means, which is not limited in the present invention.

The grip ring 24 is used to hold the planet carrier 2224 stationary.

In this embodiment, the grip ring 24 is separated from the carrier 2224, and the two are fixedly connected.

The wrench in this embodiment holds the grip ring 24 during use to keep the carrier 2224 fixed and rotate the handle clockwise. A clockwise torque is input to the second gear ring 225 to cause the first gear ring 2221 to rotate clockwise. As shown in FIG. 16, the second gear ring 225 drives the main shaft 226. Rotating clockwise; the first gear ring 2221 drives the sun gear 2223 counterclockwise through the planetary gear 2222, causing the third gear ring 224 to rotate counterclockwise, as shown in Figure 15, the third gear ring The 224 is idling relative to the main shaft 226, i.e., the sun gear 2223 is idling relative to the main shaft 226.

The wrench in this embodiment holds the grip ring 24 in use to keep the carrier 2224 fixed and rotate the handle counterclockwise. A counterclockwise torque is input to the second gear ring 225 such that the first gear ring 2221 rotates counterclockwise, as shown in FIG. 16, the second gear ring 225 is opposite to the main shaft 226. Idling; the first gear ring 2221 drives the sun gear 2223 through the planetary gear 2222 to rotate clockwise in a speed increasing manner, so that the third gear ring 224 rotates clockwise, as shown in Fig. 15 As shown, the third gear ring 224 drives the main shaft 226 to rotate clockwise, that is, the sun gear 2223 drives the main shaft 226 to rotate clockwise.

The gear ratio of the speed increasing planetary gear mechanism is the number of teeth of the first gear ring 2221 and the planetary gear 2222 The ratio of the number of teeth is 3 in the present embodiment. When the handle 23 is turned clockwise, the torque output member 21 disposed coaxially with the spindle 226 rotates clockwise at the same speed; when the handle 23 is rotated counterclockwise, the spindle 226 Coaxially set torque output unit 21 Rotate clockwise at 3x.

The speed increasing bidirectional mechanical converter in this embodiment further includes a switching device for switching the first one-way clutch 2231 The direction of action is the direction of action of the second one-way clutch 2232.

The switching device includes a reversing shaft 221, a dial 227 disposed on the reversing shaft 221, and a rotary knob 227 driving the reversing shaft The 221 rotates to drive the first one-way clutch 2231 and the second one-way clutch 2232 to rotate relative to the pin shaft, and changes the first one-way clutch 2231 and the second one-way clutch 2232. The direction of action.

The wrench in this embodiment further includes a detaching device, and the detaching device includes a marble ball, a dial 227, and a spring disposed on the torque output member 21. 26 and the first groove 2212 and the second groove 2213 disposed on the reversing shaft 221, as shown in FIG. 18, the first groove 2212 and the second groove 2213 have different depths, the first groove The depth of the 2212 and the second groove 2213 closer to the dial 227 is greater than the depth of the farther end of the dial 227.

When the button 227 is pressed, the marble can enter the first slot 2212 or the second slot 2213 The part with a larger depth is completely removed; when the button 227 is released, the spring 26 provided on the button 227 provides a spring force button 227 Return to the original position, so that the marbles are in the smaller depth part and re-eject.

The wrench in this embodiment utilizes the first gear ring 2221 and the sun gear 2223 in the speed increasing planetary gear mechanism. In the opposite direction of rotation, the first gear ring 2221 and the sun gear 2223 are driven by the one-way clutches 2231 and 2232 of the same direction, respectively, to drive the main shaft 226. The direction change, whether the handle 23 is rotated clockwise or counterclockwise, the torque output member 21 is rotated in a predetermined direction. Torque output unit when the direction of rotation of the handle 23 coincides with a predetermined direction 21 and the handle 23 rotate at the same speed in a predetermined direction; when the direction of rotation of the handle 23 is opposite to the preset direction, the torque output member 21 is the handle 23 The double speed is rotated in a predetermined direction. The switching device changes the preset direction.

The above has described in detail the preferred embodiments of the present invention. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, any technical solution that can be obtained by a person skilled in the art according to the prior art by logic analysis, reasoning or limited experiment according to the prior art should be within the scope of protection determined by the claims. .

Claims

A speed increasing bidirectional mechanical converter, including

Spindle,

a speed increasing planetary gear mechanism including a first gear ring, a planetary gear, a sun gear, and a planet carrier, the planetary gear being mounted on the planet carrier, the planetary gear being disposed on the first Between the gear ring and the sun gear, the first gear ring is opposite to the sun gear in a rotating direction;

Characterized in that the speed increasing bidirectional mechanical converter further comprises

a reversing device, the first gear ring and the sun gear driving the main shaft through the reversing device;

In use, the carrier is held stationary, a clockwise or counterclockwise moment is input on the first gear ring, and the spindle rotates in a predetermined direction.
A speed increasing two-way mechanical converter according to claim 1, wherein said reversing means comprises a first one-way clutch and a second one-way clutch in the same direction of action, said action direction and said predetermined setting The direction is the same.
A speed increasing bidirectional mechanical converter according to claim 2, wherein said speed increasing bidirectional mechanical converter further comprises a second gear ring disposed coaxially with said first gear ring, said second gear ring Connected to the first one-way clutch.
The speed increasing two-way mechanical converter of claim 3 wherein said first gear ring is integrally or coaxially coupled to said second gear ring.
A speed increasing bidirectional mechanical converter according to claim 2, wherein said speed increasing bidirectional mechanical converter further comprises a third gear ring disposed coaxially with said sun gear, said third gear ring and The second one-way clutch is connected.
The speed increasing two-way mechanical converter of claim 5 wherein said sun gear is integral or coaxially coupled to said third gear ring.
A speed increasing bidirectional mechanical converter according to claim 1, wherein said speed increasing bidirectional mechanical converter further comprises switching means for switching the direction and direction of said first one-way clutch The direction of action of the second one-way clutch is described.
The speed increasing two-way mechanical converter of claim 1 wherein said speed increasing bidirectional mechanical converter further comprises gripping means for holding said planet carrier stationary.
The speed increasing two-way mechanical converter of claim 8 wherein said holding means is integral or fixedly coupled to said planet carrier.
The speed increasing two-way mechanical converter of claim 8 wherein said holding means is a grip ring.
A speed increasing bidirectional mechanical converter according to claim 1, wherein a torque opposite to said predetermined direction is input to said first gear ring, said main shaft being oriented toward said predetermined direction Increase the speed of rotation.
The speed increasing bidirectional mechanical converter according to claim 11, wherein a gear ratio of said main shaft rotating in said predetermined direction is said to be the number of teeth of said first gear ring and said planetary gear The ratio of the number of teeth.
The speed increasing bidirectional mechanical converter according to claim 12, wherein a gear ratio of said main shaft that is increased in speed in said predetermined direction is three.
A speed increasing bidirectional mechanical converter according to claim 1, wherein said predetermined gear moment is input to said first gear ring, said main shaft being at the same speed toward said predetermined direction Turn.
The speed increasing two-way mechanical converter according to claim 14, wherein a gear ratio of said main shaft rotating at the same speed in said predetermined direction is one.
a screwdriver, including

Batch rod,

Speed-increasing two-way mechanical converter, including

a spindle disposed coaxially with the batch rod;

a speed increasing planetary gear mechanism including a first gear ring, a planetary gear, a sun gear, and a planet carrier, the planetary gear being mounted on the planet carrier, the planetary gear being disposed on the first gear ring and the sun gear Between the first gear ring and the sun gear rotating in opposite directions;

a handle disposed coaxially with the first gear ring for inputting a torque;

Characterized in that the speed increasing bidirectional mechanical converter further comprises

a reversing device, the first gear ring and the sun gear driving the main shaft through the reversing device;

The carrier is held stationary during use, and the handle inputs a clockwise or counterclockwise moment on the first gear ring, the batch lever rotating toward a predetermined direction.
A screwdriver according to claim 16, wherein said reversing means comprises a first one-way clutch and a second one-way clutch that are in the same direction of action, said direction of action being the same as said predetermined direction.
The screwdriver according to claim 17, wherein said speed increasing bidirectional mechanical converter further comprises a second gear ring disposed coaxially with said first gear ring, said second gear ring and said A one-way clutch is connected.
The screwdriver of claim 18 wherein said first gear ring is integrally or coaxially coupled to said second gear ring.
The screwdriver according to claim 19, wherein said speed increasing bidirectional mechanical converter further comprises a third gear ring disposed coaxially with said sun gear, said third gear ring and said second single Connect to the clutch.
The screwdriver of claim 20 wherein said sun gear is integral or coaxially coupled to said third gear ring.
A screwdriver according to claim 16, wherein said speed increasing bidirectional mechanical converter further comprises switching means for switching an action direction of said first one-way clutch and said second single The direction of action to the clutch.
A screwdriver according to claim 22, wherein said switching means comprises a reversing shaft, a spiral groove provided on said reversing shaft, and a push button provided at one end to said spiral groove.
The screwdriver of claim 16 wherein said speed increasing bi-directional mechanical converter further comprises gripping means for holding said planet carrier stationary.
A screwdriver according to claim 24, wherein said gripping means is integral or fixedly coupled to said planet carrier.
A screwdriver according to claim 24, wherein said holding means is a grip ring.
A screwdriver according to claim 16, wherein a torque opposite to said predetermined direction is input to said first gear ring, and said spindle is increased in speed toward said predetermined direction.
The screwdriver according to claim 27, wherein a gear ratio at which said main shaft is rotationally increased in said predetermined direction is a ratio of a number of teeth of said first gear ring to a number of teeth of said planetary gear.
A screwdriver according to claim 28, wherein the gear ratio of said main shaft to increase in speed in said predetermined direction is three.
A screwdriver according to claim 16, wherein said predetermined gear moment is input to said first gear ring, said spindle being rotated at said same speed in said predetermined direction.
A screwdriver according to claim 30, wherein the gear ratio of the main shaft rotating at the same speed in the predetermined direction is one.
a wrench, including

Torque output component,

Speed-increasing two-way mechanical converter, including

a spindle disposed coaxially with the torque output member;

a speed increasing planetary gear mechanism including a first gear ring, a planetary gear, a sun gear, and a planet carrier, the planetary gear being mounted on the planet carrier, the planetary gear being disposed on the first gear ring and the sun gear Between the first gear ring and the sun gear rotating in opposite directions;

a handle disposed coaxially with the first gear ring for inputting a torque;

Characterized in that the speed increasing bidirectional mechanical converter further comprises

a reversing device, the first gear ring and the sun gear driving the main shaft through the reversing device;

The carrier is held stationary during use, the handle inputting a clockwise or counterclockwise moment on the first gear ring, the torque output member rotating toward a predetermined direction.
A wrench according to claim 32, wherein said reversing means comprises a first one-way clutch and a second one-way clutch that are in the same direction of action, said direction of action being the same as said predetermined direction.
A wrench according to claim 33, wherein said speed increasing bidirectional mechanical converter further comprises a second gear ring disposed coaxially with said first gear ring, said second gear ring and said first One-way clutch connection.
The wrench of claim 34 wherein said first gear ring is integrally or coaxially coupled to said second gear ring.
A wrench according to claim 35, wherein said speed increasing bidirectional mechanical converter further comprises a third gear ring disposed coaxially with said sun gear, said third gear ring and said second one direction Clutch connection.
The wrench of claim 36 wherein said sun gear is integral or coaxially coupled to said third gear ring.
A wrench according to claim 32, wherein said speed increasing bidirectional mechanical converter further comprises switching means for switching the direction of action of said first one-way clutch with said second one-way The direction of action of the clutch.
A wrench according to claim 38, wherein said switching means includes a reversing shaft and a dial disposed at one end of said reversing shaft.
A wrench according to claim 39, wherein said wrench further comprises a detaching means, said detaching means comprising said dial and a recess provided in said spindle.
A wrench according to claim 32, wherein said speed increasing bidirectional mechanical converter further comprises gripping means for holding said planet carrier stationary.
The wrench of claim 41 wherein said gripping means is integral or fixedly coupled to said planet carrier.
The wrench of claim 41 wherein said gripping means is a grip ring.
A wrench according to claim 32, wherein a torque opposite to said predetermined direction is input to said first gear ring, said spindle being rotationally rotated toward said predetermined direction.
The wrench according to claim 44, wherein a gear ratio at which said main shaft is rotationally increased in said predetermined direction is a ratio of a number of teeth of said first gear ring to a number of teeth of said planetary gear.
A wrench according to claim 45, wherein the gear ratio of said main shaft to increase in speed in said predetermined direction is three.
A wrench according to claim 32, wherein said predetermined gear moment is input to said first gear ring, said spindle being rotated at said same speed in said predetermined direction.
A wrench according to claim 47, wherein the gear ratio of the main shaft rotating at the same speed in the predetermined direction is one.